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ProTek RC 155S
Standard

ProTek RC 155S

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand ProTek RC
Product Number 742422
Category Hobby
Performance
Torque
7.4V 370.00 oz-in
6.0V 308.00 oz-in
Speed
7.4V 0.06 sec/60°
6.0V 0.08 sec/60°
Physical
Weight 2.57 ozBelow Average
Dimensions L 1.58 in
W 0.79 in
H 1.50 in
Case Material Aluminum
Drivetrain
Motor Type Coreless
Gears Metal
Gear Spline/Teeth 25 T
Control & Signal
Modulation Digital
Pulse Cycle 333 ms
Neutral Position 1520 µs
Refresh Rate 333 Hz
Control System PWM
Electrical & Environment
Operating Voltage 4.8–7.4 V
Temperature -10–60 °C
Connectivity
Connector JR (Universal) estimate
Wire Length 200 mm

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

WeightBelow Average
Lighter than 24% of 1818 Digital Standard servos

Performance Analysis

Shaft Power 7.12–11.40 W
Power Density6.149 W/in³
More power-dense than 85% of 1645 Digital Standard servos
Torque Density4.2250 oz-in/g
Torque-to-Volume Ratio166.10 oz-in/in³
Speed-to-Weight0.17147 (1/sec·g)
Speed-Torque Trade-off24.64
Voltage Range Width2.6 V
Wider voltage range than 65% of 1271 Digital Standard servos

Notes

Requires a m3x10mm screw to attach the servo horn to the output shaft. Use of a shorter screw can cause failure and will void your warranty. Circuit board is conformal coated for vibration and element protection.

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